CN212995003U

CN212995003U - Foldable bag

Info

Publication number: CN212995003U
Application number: CN202021244886.1U
Authority: CN
Inventors: 李韵朝
Original assignee: Taizhou Fengshi Electronic Technology Co ltd
Current assignee: Taizhou Fengshi Electronic Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-20
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a folded cascade bag relates to file package technical field, and the main objective has solved the technical problem that the crease appears easily in placing paper in traditional bag. This folded cascade sack, including outer bag and inner bag, wherein: the inner bag is positioned in the outer bag, can move relative to the outer bag through the opening under the action of external force and can at least partially extend out of the outer bag through the opening, so that the inner bag has a bending state positioned in the outer bag and an extending state extending out relative to the outer bag; when the inner bag is in a bent state, the section of the bent part of the inner bag is of an arc-shaped structure, so that paper prevented from being bent in the inner bag can be bent without folds. The inner bag is detachably arranged on the inner side wall of the outer bag through the movable piece. The utility model is used for a small in size, portable, can avoid the bending of paper to produce the brief case of crease when depositing.

Description

Foldable bag

Technical Field

The utility model belongs to the technical field of the file package technique and specifically relates to a folded cascade bag is related to.

Background

As a city white reception, paper documents, especially A4 paper documents, are often carried along when going out for business publicity or business docking. To avoid creasing documents, it is often necessary to carry large packs of documents with them. The file bag has a large volume, so the file bag is inconvenient to carry.

The reason that the existing file bag for containing paper cannot be made small is that if the existing file bag is made small, the paper can be placed into the bag after being folded, and thus, the paper is creased. Such a creased document may affect the validity of the document.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a foldable bag, which solves the technical problem that the paper placed in the traditional bag and in the bending state is easy to have creases. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a folded cascade bag, including outer bag and inner bag, wherein: one end of the outer bag is provided with an opening, the inner bag is positioned in the outer bag and can move relative to the outer bag through the opening under the action of external force, and the inner bag has a bending state positioned in the outer bag and an extending state extending relative to the outer bag; when the inner bag is in a bent state, the section of the paper positioned at the bent part of the inner bag is of an arc-shaped structure.

When the inner bag is in a bent state, the section of the bent part of the inner bag is of an arc-shaped structure, so that the bent area of the paper placed in the inner bag is of the arc-shaped structure as the inner bag is communicated, and the paper cannot have creases when being bent; and because the inner bag is in a bent state when being positioned in the outer bag, the side surface area of the outer bag is smaller than that of the traditional briefcase, and the briefcase is easier to carry. An original A4 size briefcase approximately equal to half A4 paper size when the paper is placed in a bend.

In the above technical solution, preferably, the bag further includes a movable member, and at least one end of the inner bag is connected to the inner side wall of the outer bag through the movable member.

One end of the inner bag is connected with the outer bag through the movable piece, so that at least one end of the inner bag can conveniently extend out relative to the outer bag, and the inner bag is in an extension state.

In the above technical solution, preferably, the movable member includes at least one of a zipper, a hook and loop fastener, a button, and a hook and loop fastener.

In the above technical solution, preferably, the inner bag sequentially includes a first section, a second section and a third section along a length direction thereof;

when the inner bag is in a bent state, the second section is of a curved surface structure and is sunken towards a direction far away from the first section and the second section;

or at least three components are fixed in the second section, and two adjacent components can be bent towards the direction far away from the first section and the second section.

In the above technical solution, preferably, the second section is formed by processing a plastic material having a good resilient effect.

In the above technical solution, preferably, the bag further includes a lining member, one end of the lining member is a curved surface structure, when the lining member is placed in the outer bag, two ends of the inner bag are respectively located at two sides of the lining member, and the middle portion of the inner bag is attached to the curved surface structure.

In the above technical solution, preferably, the lower end of the liner is a curved structure, and when the liner is placed in the outer bag, a gap through which the inner bag passes is formed between the liner and the bottom end of the outer bag.

In the above technical solution, preferably, the upper end of the lining member is a curved structure, and when the lining member is placed in the outer bag, the inner bag is located above the lining member and two ends of the inner bag extend toward two sides of the lining member, so that the middle of the inner bag is in a fit state with the curved structure.

Under the effect of lining piece, inner bag middle part also can keep crooked state to guarantee that the paper that is located the inner bag can not appear the crease.

In the above technical solution, preferably, the trash bag is further included, and the trash bag is fixedly arranged on the inner side wall of the outer bag or the outer side wall of the inner bag.

The sundries bag can be used for containing sundries such as mobile phones and keys, and when the inner bag is in a bent state, the sundries can be put into the sundries bag. The user can be more convenient when taking the article, and the articles in the bag can not be placed disorderly.

In the above technical solution, preferably, the fixing plate further includes a fixing plate having a plate-shaped structure; the fixing plate is positioned between the sundries bag and the inner bag, or the fixing plate is fixedly arranged on the side wall of one side, facing the inner bag, of the sundries bag.

The fixing plate can ensure that the sundry bag can not extrude the inner bag so as to avoid influencing paper placed in the inner bag and enable the paper to have creases due to extrusion.

In the above technical solution, preferably, a second bag is further provided on the sundries bag, and the second bag can fill the remaining space in the outer bag.

In the above technical scheme, preferably, the outer bag is provided with a cover, and the cover can cover the opening in a folding manner.

In the above technical solution, preferably, the outer bag is further provided with a buckle, and when the opening is in a shielding state, the buckle and the bag cover are respectively located at two opposite sides of the outer bag; when the bag cover is turned over towards the position of the buckle, the buckle can be connected with the bag cover so as to expose the opening.

The bag cover can be fixed due to the buckle, so that a user can take out the inner bag from the outer bag without shielding, and the convenience of taking the inner bag is improved.

Compared with the prior art, the utility model provides a folded cascade sack, this sack include outer bag and be located the inside inner bag of outer bag, this inner bag have two kinds of different states for outer bag: the bending state and the stretching state, when the inner bag is in the bending state, the cross section of the bending part of the inner bag is in a curve shape, so that the paper placed in the inner bag is ensured not to have creases; in addition, a sundries bag is fixedly arranged in the outer bag and used for containing sundries such as mobile phone keys, and a plate-shaped fixing plate is arranged between the sundries bag and the inner bag and can isolate the sundries bag from the inner bag so as to prevent the inner articles in the sundries bag from pressing the inner bag; still be provided with the buckle that is used for fixed be built by contract on the outer bag, thereby this buckle can make the be built by contract turn over completely and expose the opening, and the person of facilitating the use gets and puts the inner bag and place the paper in the inner bag.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the whole structure of the foldable bag of the present invention;

fig. 2 is a schematic cross-sectional view of the inner bag of fig. 1 in a curved state;

fig. 3 is a schematic cross-sectional view of the inner bag of fig. 1 in an expanded state;

fig. 4 is a schematic structural view of the inner bag in fig. 1;

fig. 5 is a second schematic illustration of the inner bag of fig. 1;

figure 6 is a schematic cross-sectional view of a second embodiment of the collapsible bag of the present invention;

figure 7 is a schematic view of the overall structure of a third embodiment of the foldable bag of the present invention;

fig. 8 is a schematic view of the connection between the bag cover and the buckle in fig. 7.

In the figure: 1. an outer bag; 11. an opening; 2. an inner bag; 21. a first stage; 22. a second stage; 221. a member; 23. a third stage; 3. a movable member; 4. a liner; 5. a sundry bag; 6. a fixing plate; 7. covering; 8. and (5) buckling.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Figure 1 is a schematic view of the whole structure of the foldable bag of the utility model; it can be seen that the bag has an appearance substantially identical to that of a conventional bag, and the upper opening thereof is opened and closed by a zipper structure.

Fig. 2 is a schematic cross-sectional view of the inner bag of fig. 1 in a curved state; at this time, it can be seen that one end of the inner bag is fixed inside the opening of the bag, and the other end extends downward along the outer bag and is bent back, wherein the cross section of the bent portion is arc-shaped.

Fig. 3 is a schematic cross-sectional view of the inner bag of fig. 1 in an expanded state; it can be seen that one end of the inner bag and the inner side wall of the outer bag are fixedly arranged or detachably arranged, the other end of the inner bag and the inner side wall of the outer bag are detachably arranged or freely arranged, so that the one end of the inner bag can move outwards from the opening of the outer bag and freely extend out, the inner bag is in an extending state at the moment, and part of the inner bag is positioned outside the outer bag.

Fig. 4 is a schematic structural view of the inner bag in fig. 1; it can be seen that the inner bag is of a three-section structure, and the second section of the middle part of the inner bag is made of a material with certain elasticity.

Fig. 5 is a second schematic illustration of the inner bag of fig. 1; compared with fig. 4, the second section in fig. 5 is internally and fixedly provided with three members, the members are in a trapezoidal structure, one ends of the connecting sides of two adjacent members are connected, the other ends of the members have gaps for bending, and all the gaps are positioned on the same side of the second section, so that the second section can bend towards one side when in use.

Figure 6 is a schematic cross-sectional structure view of a second embodiment of the foldable bag of the present invention; at this time, it can be seen that the foldable bag is further provided with a lining member, the lining member is positioned in the middle of the inner bag, two ends of the inner bag are respectively positioned on two sides of the lining member, and the joint of the lining member and the middle of the inner bag is of an arc structure, so that the bending part of the inner bag cannot be creased.

Figure 7 is a schematic view of the overall structure of a third embodiment of the foldable bag of the present invention; it can be seen that the opening of the bag is provided with a flap which, when turned over towards the front side of the bag, closes the opening of the outer bag.

FIG. 8 is a schematic view of the connection between the cover and the buckle of FIG. 7; at the moment, the turnover cover is turned over towards the rear side of the bag and connected with the buckle, so that the opening is in an open state, and at the moment, a user can conveniently draw out the inner bag from the middle part of the outer bag.

The utility model provides a folded cascade bag, this bag include outer bag 1 and be the inner bag 2 that the bending state placed in outer bag 1, wherein inner bag 2 is used for placing the paper material. The outer bag 1 is provided with an opening 11 at one end, and the inner bag 2 is arranged inside the outer bag 1 through the opening 11 and is movable outwards relative to the outer bag 1 through the opening 11. When the inner bag 2 is completely positioned inside the outer bag 1, the inner bag 2 is in a bent state, and the section of the paper positioned at the bent part of the inner bag 2 is of an arc-shaped structure, so that the paper placed in the inner bag 2 can be bent without creases in the inner bag 2; when the free end of the inner bag 2 extends out from the inner part of the outer bag 1 to the outer part through the opening 11 to be in an extension state, paper can be conveniently taken from or put into the inner bag 2.

When the inner bag 2 is in a bent state, the section of the bent part of the inner bag is of an arc-shaped structure, so that the bent area of paper placed in the inner bag 2 is of an arc-shaped structure like the inner bag 2, and no crease appears on the paper; and because the inner bag 2 is in a bent state when being positioned inside the outer bag 1, the side surface area of the outer bag 1 is smaller than that of the traditional briefcase, and the briefcase is easier to carry.

Due to the inner bag 2, the user cannot place articles into the bag at will, so as not to squeeze the inner bag 2 and crease the paper. In order to solve this problem and to improve the storage capacity of the bag, as an alternative embodiment, a sundry bag 5 is further arranged in the bag, and the sundry bag 5 is fixedly arranged on the inner side wall of the outer bag 1 or the outer side wall of the inner bag 2. When in use, articles such as mobile phones, keys, cards and the like can be put into the device.

In order to further ensure the storage effect of the paper, a fixing plate 6 is also arranged in the bag, the shape of the fixing plate 6 is fixed, the fixing plate is of a plate-shaped structure, and the fixing plate is fixedly arranged between the sundries bag 5 and the inner bag 2; alternatively, the fixing plate 6 may be fixedly provided on the glove box 5 and provided toward the inner bag 2 (may be provided on the inner side wall of the glove box 5 or on the outer side wall of the glove box 5). The fixing plate 6 can ensure that the sundries bag 5 can not extrude the inner bag 2, so as to avoid influencing paper placed in the inner bag 2.

In addition, since there is a certain space left in the outer bag 1 after the inner bag 2 and the sundries bag are placed, as an optional embodiment, a second bag is further provided on the sundries bag 5, and the second bag can fill the remaining space in the outer bag 1.

The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-4, the utility model provides a foldable bag, which comprises an outer bag 1, an inner bag 2 and a sundries bag 5, wherein the inner bag 2 is fixed inside the outer bag 1 in a bending way, the sundries bag is also arranged inside the outer bag 1, and the sundries bag can not influence the normal use of the inner bag 2.

Specifically, the opening 11 of the outer bag 1 of the bag is of a zipper type structure, as shown in fig. 1.

In order to solve the problem of connection and fixation of the inner bag 2 and the outer bag 1, as an optional embodiment, the bag further comprises a movable member 3, and at least one end of the inner bag 2 is connected with the inner side wall of the outer bag 1 through the movable member 3.

One end of the inner bag 2 is connected with the outer bag 1 through the movable piece 3, so that at least one end of the inner bag 2 can conveniently extend out relative to the outer bag 1, and the inner bag 2 is in an extension state.

Specifically, one end of the inner bag 2 can be fixedly arranged on the inner side wall of the outer bag 1 in a sewing mode, and can also be connected with the inner side wall of the outer bag 1 through the detachable moving piece 3, and the other end of the inner bag can move relative to the opening 11 of the outer bag 1, so that the inner side wall of the outer bag 1 can be fixed through the detachable assembly, and the inner side wall can also be freely arranged. As shown in fig. 4, one end of the inner bag 2 is connected to the inner side wall of the outer bag 1 via the movable member 3, and the other end is provided with a port for inserting or withdrawing a sheet.

As an alternative embodiment, the movable member 3 includes at least one of a zipper, a hook and loop fastener, a button, and a hook and loop fastener.

When the inner bag 2 is located in the outer bag 1, the middle part of the inner bag is in a bent state, and the section of the bent part of the inner bag is of an arc-shaped structure, that is, the inner bag 2 is made of flexible materials and is arranged around the inner side wall of the outer bag 1 in a bent state, and the section of the bent part of the inner bag is of an arc shape, so that paper can be bent in the inner bag 2 without folds, as shown in fig. 2.

When the inner bag 2 is partially extended with respect to the outer bag 1 and the inner bag 2 is in an extended state, the structure of the inner bag 2 is as shown in fig. 3.

In addition, it should be noted that the movable member 3 for fixing the inner bag 2 to the inner side wall of the outer bag 1 may be disposed near the opening 11 of the outer bag 1, or may be disposed at the bottom of the outer bag 1, far from the opening 11.

As an alternative embodiment, the inner bag 2 comprises a first section 21, a second section 22 and a third section 23 in sequence along its length.

Specifically, the second section 22 is formed by processing a whole piece of elastic material, and has a structure as shown in fig. 4, when the inner bag 2 is in an extended state, the inner bag 2 is integrally in a strip-shaped structure; when the inner bag 2 is in a bent state, the second section 22 is in a curved structure and is recessed in a direction away from the first section 21 and the second section 22, and when the inner bag 2 is in a bent state, the specific shape of the inner bag depends on the placement position of the inner bag 2.

As an alternative embodiment, the second section 22 may be manufactured from a plastic material with a good spring-back effect, such as a PET material or a PP material.

Alternatively, the first, second and

third sections

21, 22, 23 of the inner bag 2 may be manufactured from the same elastic material.

Specifically, at least three members 221 are fixedly arranged in the second section 22; the connecting sides of two adjacent members 221 are connected at one end, and a gap for bending the members 221 is formed at the other end. It is noted that all gaps are located on the side of the second segment 22 that is bent inwardly.

As shown in fig. 5, all the members 221 are in a trapezoidal structure, and when any one of the adjacent two members 221 moves toward the gap, the second segment 22 is in a bent state.

Example 2:

as shown in fig. 6, the present embodiment 2 is different from embodiment 1 in that: the inner bag 2 is different from embodiment 1 in structure, and further includes a liner 4.

Specifically, the lining element 4 is a plate-shaped structure freely placed in the outer bag 1, one end of the lining element is a curved surface structure, when the lining element 4 is placed in the outer bag 1, two ends of the inner bag 2 are respectively located on two sides of the lining element 4, and the middle of the inner bag 2 is attached to the curved surface structure. At this time, the bending part of the inner bag 2 is in an arc-shaped structure under the action of the lining piece 4, so that the paper placed in the inner bag 2 is effectively prevented from generating creases.

It should be noted that the inner bag 2 is made of flexible material.

Specifically, when the lower end surface of the lining element 4 is of a curved surface structure, a gap for the inner bag 2 to pass through is formed between the lining element 4 and the bottom end of the outer bag 1; when the upper end surface of the lining element 4 is of a curved surface structure, the inner bag 2 is positioned above the lining element 4 at the moment, and two ends of the inner bag 2 extend towards two sides of the lining element 4, so that the middle part of the inner bag 2 is in a fit state with the curved surface structure.

Through above-mentioned two kinds of modes of placing, can effectively guarantee that the flexion part cross-section of inner bag 2 is the arc structure.

The connection relationship between the inner bag 2 and the outer bag 1 is the same as that of example 1.

Example 3:

as shown in fig. 7 to 8, the present embodiment 3 is different from embodiment 1 in that: the opening 11 of the foldable bag is provided with a cover 7, and the cover 7 can cover the opening 11 of the outer bag 1 in a folding manner, so that the outer bag 1 can be opened and closed, as shown in fig. 7. It should be noted that a zipper may be disposed at the opening 11.

Due to the presence of the flap 7, it may be inconvenient to take and place the inner bag 2 from the outer bag 1. In order to solve the problem, a buckle 8 is arranged on the outer side wall of the outer bag 1, and when the opening 11 is in a shielding state under the action of the bag cover 7, the buckle 8 and the bag cover 7 are respectively positioned at two opposite sides of the outer bag 1; when the flap 7 is folded over towards the location of the catch 8, the catch 8 can be connected to the flap 7 so that the opening 11 is exposed, as shown in figure 8.

The existence of the buckle 8 can fix the bag cover 7, thereby enabling a user to take out the inner bag 2 from the outer bag 1 without shielding, and improving the convenience of taking out the inner bag 2.

Specifically, this buckle 8 is the loop configuration, and the lateral surface of be built by contract 7 is provided with a fixture block, when the fixture block inserted this loop configuration buckle 8, can make the be built by contract 7 fix on buckle 8.

As an alternative embodiment, the buckle 8 is a D-shaped metal ring, and the outer side surface of the covering 7 is provided with a hook, or vice versa; when the ladle cover 7 is turned over, the hook buckle can be just clamped on the D-shaped metal ring, so that the ladle cover 7 is fixed.

Alternatively, the buckle 8 and the bag cover 7 can be fixed together by magnetic adsorption.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A foldable bag, comprising an outer bag and an inner bag, wherein: one end of the outer bag is provided with an opening, the inner bag is positioned in the outer bag and can move relative to the outer bag through the opening under the action of external force, and the inner bag has a bending state positioned in the outer bag and an extending state extending relative to the outer bag; when the inner bag is in a bent state, the section of the paper positioned at the bent part of the inner bag is of an arc-shaped structure.

2. Foldable bag according to claim 1, further comprising a movable element, at least one end of the inner bag being connected to the inner side wall of the outer bag by said movable element.

3. Foldable bag according to claim 2, wherein said movable element comprises at least one of a zip, a velcro, a button, a hook.

4. Foldable bag according to claim 1, characterised in that said inner bag comprises, in sequence along its length, a first section, a second section and a third section;

5. The foldable bag of claim 1, further comprising a liner, wherein one end of the liner is a curved structure, and when the liner is placed inside the outer bag, two ends of the inner bag are respectively located at two sides of the liner and the middle of the inner bag is attached to the curved structure.

6. Foldable bag according to claim 1, further comprising a debris bag fixedly arranged on the inner side wall of the outer bag or on the outer side wall of the inner bag.

7. Foldable bag according to claim 6, further comprising a fixing plate in a plate-like structure; the fixing plate is positioned between the sundries bag and the inner bag, or the fixing plate is fixedly arranged on the side wall of one side, facing the inner bag, of the sundries bag.

8. Foldable bag according to claim 6, characterised in that a second bag is provided on the incidental bag, said second bag being able to fill the remaining space inside the outer bag.

9. Foldable bag according to claim 1, characterised in that said outer bag is provided with a cover that can be folded over to cover said opening.

10. The foldable bag of claim 9, wherein the outer bag is further provided with a buckle, and when the opening is in a shielding state, the buckle and the cover are respectively located at two opposite sides of the outer bag; when the bag cover is turned over towards the position of the buckle, the buckle can be connected with the bag cover so as to expose the opening.